You can open it with the PROPERTIES command (enter PR in the Command window),
On the Choose Output page, select the Output Data to an External File option.
What to do when Rhino is not responding? Go into Options > Plug-in and
They are (in order) Schematic Design, Design Development, Construction Documents, Bidding, and Construction Administration.
How do I delete unwanted objects in AutoCAD? To Erase an Object Click Home
How do you zoom in on Autodesk Sketchbook? Zoom in and move about Tap